aindex: To compute the Aliphatic index of a protein sequence
Description
The aliphatic index of a protein is defined as the relative volume occupied by aliphatic side chains (alanine, valine, isoleucine, and leucine). It may be regarded as a positive factor for the increase of thermostability of globular proteins.
Usage
aindex(seq)
Arguments
seq
AA sequence string in upper case
References
Atsushi, I. K. A. I. (1980). Thermostability and aliphatic index of globular proteins. Journal of Biochemistry, 88(6), 1895-1898.
ISO 690